Home / 208,696,502.10-313,044,753.15-72,381,885.60

Finding the Fourth Proportional to 208,696,502.10, 313,044,753.15 and 72,381,885.60

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Solution

The fourth proportional to 208,696,502.10, 313,044,753.15 and 72,381,885.60 is: 108,572,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,696,502.10 : 313,044,753.15 = 72,381,885.60 : x
  2. Step 2: Convert to fraction form
    208,696,502.10/313,044,753.15 = 72,381,885.60/x
  3. Step 3: Cross multiply
    208,696,502.10x = 313,044,753.15 × 72,381,885.60
  4. Step 4: Simplify right side
    208,696,502.10x = 22,658,769,510,183,536
  5. Step 5: Solve for x
    x = 22,658,769,510,183,536/208,696,502.10
  6. Step 6: Final answer
    x = 108,572,828.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.